1
Service operation : ITIL /
Book
2007
Table of Contents 
2
Service transition : ITIL /
Book
2007
Table of Contents 
3
Service strategy : ITIL /
Book
2007
Table of Contents 
4
Service design : ITIL /
Book
2007
Table of Contents 
5
Vorlesungsunterlagen zur Normung.
Book
6
Einführung in die DIN-Normen /
Book